coined the phrase 15 minutes of fame, which refers to the fleeting condition of celebrity that attaches to an object of media attention, then passes to some new object as soon as the public's attention span is exhausted

short for Colonia Iulia emona, was a Roman castrum founded in 14/15 AD, possibly by the XV Legio Apollinaris (theory proposed by the noted historian and epigraphy expert Balduin Saria), on a territory already populated by ancient settlers of uncertai

a purine with a variety of roles in biochemistry including cellular respiration, in the form of both the energy-rich adenosine triphosphate (ATP) and the cofactors nicotinamide adenine dinucleotide (NAD) and flavin adenine dinucleotide (FAD), and pro

an array programming language, a dialect of APL with aggressive extensions. Arthur Whitney developed the "A" portion of A+, while other developers at Morgan Stanley extended it, adding a graphical user interface and other language features

one form of the Latin noun meaning year, not a form normally used for derivatives in modern languages: the accusative singular of the second declension masculine noun annus (nominative), anni (genitive singular and nominative plural)

While anarchists have historically largely denied the importance of symbols to political movement, anarchists have embraced certain symbols for their cause, including most prominently the circle-A and the black flag

Groove recordings, first designed in the final quarter of the 19th century, held a predominant position for an impressive amount of time—just about a century—withstanding competition from reel-to-reel tape, the 8-track cartridge and the compact c

Your fact selection is not listed in your lexicon, but it counts for ranking the facts.

More generally, the homotopy category Ho C of a differential graded category C is defined to have the same objects as C, but morphisms are defined by HomHₒ C(X, Y) = H⁰ HomC (X, Y). (This boils down to the homotopy of chain complexes if C is the

unlike the former it is a triangulated category, and unlike the latter its formation does not require that A is abelian

Philosophically, while D(A) makes isomorphisms of any maps of complexes that are quasi-isomorphisms in Kom(A), K(A) does so only for those that are quasi-isomorphisms for a "good reason", namely actually having an inverse up to homotopy equivalence